"Liquid nitrogen? You've got to be kidding," Nelson exclaimed.
The two were currently on an invited visit to Johnson & Johnson Medical's new materials lab in Phoenix. They were being hosted by the lab's director, Dr. George Leonard.
He was surprisingly young, perhaps only in his forties, and remarkably, he had a full head of long, black hair.
The shirt under his white lab coat was impeccably ironed, and he even wore cufflinks. He looked more like a Hollywood leading man with exceptional charisma.
When he heard that they were looking for a device that could rapidly release cold, he mentioned that such a device already existed—and that it used liquid nitrogen.
That stuff is around two hundred degrees below zero. Direct contact would definitely cause frostbite.
This was why Nelson had exclaimed in shock.
